b)1 2supra11+[9supra4:(5supra8-1supra3•1supra4)]
13\11+[9/4:(5/8-1/12)]
13/11+(9/4:13/24)
13/11+(9/4•24/13)simplificam pe 24 si 4 si rezulta:13/11+9•6/13)
13/11+54/13
763/143
f)4/25:(2-0)
4/25:2
4/25•1/2
2/25
la punctul e) nu se poate finca e 0 si nu e definit.
D)(8-2/3)•[4/5-(3/2)^2•(1/5+2/5:8/5)]
22/3[4/5-9/4•(1/5+2/5•5/8)]
22/3•[4/5-9/4•(1/5+1/4)]
22/3•(4/5-9/4•9/20)
22/3•(4/5-81/80)
22/3•(-7/80)
-11•17/40
c) nu merge.
